601406978057 has 2 divisors, whose sum is σ = 601406978058. Its totient is φ = 601406978056.

The previous prime is 601406978047. The next prime is 601406978077. The reversal of 601406978057 is 750879604106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496624640656 + 104782337401 = 704716^2 + 323701^2 .

It is a cyclic number.

It is not a de Polignac number, because 601406978057 - 2²⁴ = 601390200841 is a prime.

It is not a weakly prime, because it can be changed into another prime (601406978047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300703489028 + 300703489029.

It is an arithmetic number, because the mean of its divisors is an integer number (300703489029).

Almost surely, 2^601406978057 is an apocalyptic number.

It is an amenable number.

601406978057 is a deficient number, since it is larger than the sum of its proper divisors (1).

601406978057 is an equidigital number, since it uses as much as digits as its factorization.

601406978057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 601406978057 in words is "six hundred one billion, four hundred six million, nine hundred seventy-eight thousand, fifty-seven".